import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        int q = in.nextInt();
        int[][] arr = new int[n + 1][m + 1];
        for(int i = 1;i <= n;i++){
            for(int j = 1;j <= m;j++){
                arr[i][j] = in.nextInt();
            }
        }
        long[][] ret = new long[n+1][m+1];
        for(int i = 1;i <= n;i++){
            for(int j = 1;j <= m;j++){
                ret[i][j] = ret[i-1][j] + ret[i][j-1] - ret[i-1][j-1] + arr[i][j];
            }
        }
        while(q >0){
            int x1 = in.nextInt();
            int y1 = in.nextInt();
            int x2 = in.nextInt();
            int y2 = in.nextInt();
            System.out.println(ret[x2][y2] - ret[x1-1][y2] - ret[x2][y1 - 1] + ret[x1-1][y1-1]);
            q--;
        }
    }
}